Method and system for identifying instability or a spanning...

Details Method and system for identifying instability or a spanning... Method and system for identifying instability or a spanning...

2006-08-03

2009-10-27

Ryman, Daniel J (Department: 2419)

Multiplex communications

Network configuration determination

Using a particular learning algorithm or technique

C370S351000, C370S401000, C370S408000, C709S221000, C709S249000

Reexamination Certificate

active

07609658

ABSTRACT:
Methods and systems for identifying instability or a loop in a network. In one method, a first BPDU message is received at a switch indicating a topology change. The message includes a bridge identifier identifying a network device originating the first BPDU message. A second BPDU is generated at the switch and includes the bridge identifier identifying the network device originating the first BPDU message. The method further includes transmitting the second BPDU message indicating the topology change from the switch.

REFERENCES:
patent: 5321812 (1994-06-01), Benedict et al.
patent: 7379426 (2008-05-01), Sekiguchi
patent: 2006/0013141 (2006-01-01), Mutoh et al.
patent: 2006/0045091 (2006-03-01), Hata
IEEE 802.1D-2004, IEEE Standard for Local and Metropolitan Area Networks, Media Access Control (MAC) Bridges, Jun. 9, 2004.

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